Ambac's Second Quarter 2013 Results Scheduled to be Released August 14, 2013

Ambac's Second Quarter 2013 Results Scheduled to be Released August 14, 2013

NEW YORK, Aug. 8, 2013 (GLOBE NEWSWIRE) -- Ambac Financial Group, Inc.
announced today that it will release its second quarter 2013 results before
the market open on August 14, 2013.

About Ambac

Ambac Financial Group, Inc. ("Ambac"), headquartered in New York City, is a
holding company whose subsidiaries, including its principal operating
subsidiary, Ambac Assurance Corporation ("Ambac Assurance"), Everspan
Financial Guarantee Corporation, and Ambac Assurance UK Limited, provided
financial guarantees and other financial services to clients in both the
public and private sectors globally. Ambac Assurance, including the Segregated
Account of Ambac Assurance (in rehabilitation), is a guarantor of public
finance and structured finance obligations. Ambac is also exploring
opportunities involving the development or acquisition of new financial
services businesses. Ambac's common stock trades on the NASDAQ Global Select
Market (Nasdaq:AMBC).

CONTACT: Michael Fitzgerald
         (212) 208-3222
         mfitzgerald@ambac.com

Ambac Financial Group, Inc.